EP2978085B1 - Méthode pour connexion electrique de fils métalliques - Google Patents

Méthode pour connexion electrique de fils métalliques Download PDF

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Publication number
EP2978085B1
EP2978085B1 EP15183709.3A EP15183709A EP2978085B1 EP 2978085 B1 EP2978085 B1 EP 2978085B1 EP 15183709 A EP15183709 A EP 15183709A EP 2978085 B1 EP2978085 B1 EP 2978085B1
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EP
European Patent Office
Prior art keywords
wires
ultrasonic
welding
bundle
sonotrode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP15183709.3A
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German (de)
English (en)
Other versions
EP2978085A2 (fr
EP2978085A3 (fr
Inventor
Björn KLEESPIESS
Andreas Moos
Dieter Stroh
Udo Wagenbach
Peter Wagner
Alexander Ziesler
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Schunk Sonosystems GmbH
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Schunk Sonosystems GmbH
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Application filed by Schunk Sonosystems GmbH filed Critical Schunk Sonosystems GmbH
Priority to RS20171322A priority Critical patent/RS56744B1/sr
Priority to PL15183709T priority patent/PL2978085T3/pl
Publication of EP2978085A2 publication Critical patent/EP2978085A2/fr
Publication of EP2978085A3 publication Critical patent/EP2978085A3/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
    • H01R43/0207—Ultrasonic-, H.F.-, cold- or impact welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12—End pieces terminating in an eye, hook, or fork
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H01R4/029—Welded connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048—Crimping apparatus or processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • B23K2101/38—Conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26

Definitions

  • the invention relates to a method for electrically conducting a bundle of bare strands or wires by means of ultrasound action, wherein the bundle is received before the ultrasonic action of a sheath such as sleeve of metallic material whose longitudinal axis extends in the longitudinal direction of the bundle, and a material connection the wires or strands with each other and with the metallic cladding by means of ultrasonic welding is performed by the sonotrode is placed in its longitudinal direction in ultrasonic vibration and the sonotrode acts in the antinode on the sheath.
  • a sheath such as sleeve of metallic material whose longitudinal axis extends in the longitudinal direction of the bundle
  • a material connection the wires or strands with each other and with the metallic cladding by means of ultrasonic welding is performed by the sonotrode is placed in its longitudinal direction in ultrasonic vibration and the sonotrode acts in the antinode on the sheath.
  • the ultrasonic welding can be used.
  • the energy required for welding is introduced into the weld metal in the form of mechanical vibrations.
  • a sonotrode is set in its longitudinal direction in ultrasonic vibration.
  • a counterelectrode assigned to the sonotrode - also called anvil - in order to apply a required static welding force.
  • anvil - Between counter electrode and sonotrode the materials to be joined are arranged.
  • plastic ultrasonic welding a distinction is made between plastic ultrasonic welding and metal ultrasonic welding.
  • the heating in the welding area takes place by absorption of the mechanical vibrations, by the reflection of the vibrations in the welding area and by Interface friction in the joining surface.
  • the vibrations are introduced vertically, ie, the sonotrode longitudinal axis is perpendicular to the plane spanned by the counter electrode plane, on which the joining partners are arranged.
  • Typical frequencies in plastic ultrasonic welding are between 20 kHz and 70 kHz.
  • the joining zone lies in the antinode.
  • An insulated wires are after the JP 22075481 A surrounded by a sleeve made of electrically conductive material, which are then connected to the wires in an ultrasonic welding device.
  • the sonotrode has a sectionally W-shaped geometry and the sonotrode with respect to the anvil on a convex course.
  • JP 4370669 A is a method for connecting electrically insulated conductors with a cable lug to remove.
  • ultrasound acts on the wires.
  • Crimpfahnen be bent to fix the wires in the cable lug.
  • the former In order to connect electrical conductors surrounded by an insulation to a terminal, the former are arranged next to one another in order then to achieve a bonded connection by means of ultrasound ( US 6,009,366 A ).
  • WO 2008/148813 A2 are to be taken from a method for electrically conductive bonding of strands and an ultrasonic welding device.
  • a sonotrode is provided whose welding surface has a course of an open trapezoid.
  • the object of the present invention is to refine a method and an arrangement of the type mentioned above in such a way that a secure cohesive connection between wires is possible. At the same time a simplification should be given in comparison to known methods. With good electrically conductive connection high mechanical strength should be ensured.
  • the invention essentially provides that the envelope is arranged with the regionally received bundle with its longitudinal axis transverse to the longitudinal axis of the ultrasonic vibrations transmitting sonotrode, and that simultaneously with the material connection of the wires or strands with each other and with the metallic enclosure is formed transversely to the longitudinal axis of the metallic sheath in this one recess.
  • the invention relates to a method for electrically conductive connection of a bundle of wires, wherein the wires are provided with an insulation, in particular an insulating varnish, and the insulation is at least partially removed by means of ultrasound action, which is characterized in that either in a first Step, the insulation of the wires by means of plastic ultrasonic welding is at least partially removed and in a second step, the wires are connected by means of metal ultrasonic welding or resistance welding materially or that the bundle of wires from the metallic sheath as the sleeve is received and the metallic sheath with their Longitudinal axis is arranged transversely to the longitudinal axis of a ultrasonic vibrations transmitting sonotrode and by means of ultrasonic welding both the partial removal of the insulation and the material connection of the wires to each other and d he metallic cladding is performed.
  • a recess such as channel-shaped notch is formed transversely to the longitudinal axis of the metallic envelope as sleeve. If the stripping preferably takes place in a method step preceding the cohesive bonding in the covering, surprisingly, at least partial removal of the insulation can also take place during welding in the covering.
  • Corresponding wires provided with insulating lacquer usually have a diameter of at least 0.3 mm, with preferred diameter ranges between 0.4 mm and 1.5 mm, without the teachings of the invention being restricted thereby.
  • the wires are basically solid copper or aluminum wires or wires of copper or aluminum alloys. A mixture of materials, ie wires of divergent materials is also possible.
  • at least one steel wire may additionally be contained in the bundle of wires without the service life of the sonotrode being shortened; because the metallic coating - like shaped sheet metal part - prevents direct contact between sonotrode and the wires.
  • Benefits also arise in particular when welding aluminum wires, even large cross sections; because the sleeve provides protection against sticking or alloying.
  • tinned wires can be welded easily.
  • a bundle of wires of different cross sections can easily be welded by means of ultrasound. The otherwise found damping when welding wires of different cross-sections due to the metallic sheath does not occur.
  • a two-stage process is preferably used, by means of which first the insulation, d. H. the insulating varnish is broken and displaced, in order then to connect the at least partially stripped wires in a material-locking manner in a second method step.
  • This is preferably done by means of ultrasound, even if welding of the wires, which are at least partially stripped, by means of resistance welding is likewise possible.
  • the alternative proposal of the invention provides for the bundle of wires to be inserted into a sleeve or corresponding sheath and to transmit this in relation to the ultrasonic vibrations Sonotrode an ultrasonic welding device is oriented such that the longitudinal axis of the sleeve or sheath transverse to the longitudinal direction of the ultrasonic vibrations, ie transverse to the longitudinal axis of the sonotrode.
  • an ultrasonic welding device is oriented such that the longitudinal axis of the sleeve or sheath transverse to the longitudinal direction of the ultrasonic vibrations, ie transverse to the longitudinal axis of the sonotrode.
  • the insulating varnish is also broken and removed to the extent required, to then allow a material-locking connection.
  • the sleeve or sheath is reshaped, which undergoes the indentation transverse to the longitudinal direction as a result of the force acting on the sonotrode during ultrasound welding, whereby the connection between the sleeve and the stripped wires is additionally reinforced.
  • the longitudinal axis of the sleeve or sheath - hereinafter basically referred to as a sleeve for reasons of simplification - extends in the direction of the wires, ie in the longitudinal direction of the bundle of wires to be welded.
  • the wires are surrounded after the plastic ultrasonic welding of a sleeve and then connected together with the sleeve cohesively.
  • the longitudinal axis of the sleeve can be aligned with the wires in the longitudinal direction of the ultrasonic vibrations, when the application of the ultrasound during the metal ultrasonic welding takes place.
  • the wires during plastic welding are compacted into a first cuboid shape having a height H1 in the longitudinal direction of the ultrasonic vibrations and a width B1 transverse to the longitudinal direction, and then the wires are formed into a second parallelepiped shape during metal ultrasonic welding be with a height H2 with H2 ⁇ H1 and a width B2 with B2> B1.
  • the wires may be materially bonded to a carrier during metal ultrasonic welding. Often it is not necessary in this case that the previously stripped wires are surrounded by a sleeve.
  • the wires at least during feeding for plastic ultrasonic welding of a fixing or be surrounded by such. It can be used as fixing a fixing sleeve. It is also possible to use a tool which encloses the bundle of wires only when it is fed to the compression space.
  • the at least partial removal of the insulation in particular the breaking up of the lacquer, can be carried out in a first processing station, whereas the cohesive connection can be carried out in a second processing station.
  • the plastic ultrasonic welding and metal ultrasonic welding are performed in the same processing station, wherein the sonotrode for metal ultrasonic welding of the anvil during plastic ultrasonic welding in plastic ultrasonic welding and the metal ultrasonic welding Sonotrode for plastic ultrasonic welding is the anvil for metal ultrasonic welding.
  • the invention provides that the bundle of wires in the region of the wire ends in plastic ultrasonic welding is applied, wherein the bundle is compacted into a cuboid shape, then after the plastic ultrasonic welding to separate the free end of the compacted bundle as cut off. As a result, existing paint residues are additionally removed between the wires.
  • the invention is characterized by a method for electrically conductive bonding of a bundle of bare strands or wires by means of ultrasound action, wherein the bundle is received before the ultrasonic action of a metallic sheath such as sleeve of metallic material, characterized in that the bundle of the metallic sheath is taken and the metallic casing is arranged with its longitudinal axis transversely to the longitudinal axis of an ultrasonic vibration transmitted sonotrode and by means of ultrasonic welding cohesive bonding of the wires or strands with each other and with the metallic sheath is carried out, wherein at the same time a recess is formed transversely to the longitudinal axis of the metallic sheath ,
  • the features explained above can accordingly be applied for.
  • the wires 10 are preferably painted wires.
  • the wires to be welded are previously combined into a bundle.
  • the bundle 12 can be surrounded by a fixing aid in the form of a ring 14 or sleeve, as can be seen purely in principle from the figures.
  • the plastic ultrasonic welding in combination with the metal ultrasonic welding Application, the latter, if necessary, can be replaced by resistance welding.
  • Fig. 1 In principle, an ultrasonic welding arrangement is shown in order to explain the essential elements.
  • the arrangement 110 is explained with reference to an ultrasonic welding device 111, which is intended for welding metals.
  • the ultrasonic welding arrangement 110 comprises as essential elements a converter 112 and a sonotrode 114, between which a booster 116 for amplitude amplification is arranged.
  • Converter 112, booster 116 and sonotrode 114 form a so-called ultrasonic vibrator 117, which is mounted in the booster 116.
  • the sonotrode 114 ie their in Fig. 1 unrecognizable head, a counter electrode 115 is assigned, to which the oscillator 117 is lowered to initiate forces during welding on the joining partners.
  • lateral slides are provided in order to be able to adjust in height and width to a desired extent a compression space surrounded by the sonotrode 114, counter-electrode or anvil 115 and the side slides.
  • the counter electrode 115 is in particular designed in several parts, as z. B. in the US-A-4,596,352 is described.
  • the converter 112 is connected via a line 118 to a generator 120, which in turn is connected via a line 122 to a computer 124. Via the generator 120, the converter 112, d. H. high frequency voltage is applied to the piezocrystal disks arranged therein to correspondingly expand and contract the disks, thereby producing ultrasonic vibrations of an amplitude which are amplified from the booster 116 to the sonotrode 114.
  • the lacquer insulation of the wires 10 combined into a bundle 12 is broken up and displaced by means of ultrasound.
  • the stiff wires 10 form the necessary resistance during the introduction of ultrasound and force, so that the paint can chip off.
  • a compacting takes place. This is done in a plastic ultrasonic welding device 26, as this purely in principle of Fig. 2 can be seen.
  • wires 10 should not be stiff enough, a steel wire can be introduced into the bundle, whereby the desired or required rigidity can be achieved in order to remove or flake off the insulation or the paint when applying ultrasound.
  • a corresponding steel wire will not cause the sonotrode to be subject to increased wear, as long as the bundle, as explained below, is taken up prior to welding by a metallic sheath which is welded to the bundle.
  • the sonotrode 28 which is mounted in the vibration node.
  • the sonotrode 28 is excited in the direction of its longitudinal axis in oscillation, so that by the arrangement of the sonotrode 28 and the welding surface formed by the end face of the sonotrode head 30 to the likewise serving as a welding surface support surface 32 of the anvil 34, the ultrasonic vibrations in perpendicular the wires 10 of the bundle 12 are introduced when a corresponding bundle 12 is disposed on the welding surface 32 of the anvil 34. Consequently, the longitudinal axis of the wires 10 or of the bundle 12 within the compression space runs perpendicular to the longitudinal axis of the sonotrode 28. In order to introduce the ultrasonic vibrations, the sonotrode 28 is correspondingly lowered in the direction of a bundle 12 (not shown). The limited on the one hand by the end face of the sonotrode head 30 and on the other hand by the welding surface 32 of the anvil compression chamber 34 can be closed laterally by unspecified sliders to adjust the width can.
  • the corresponding process step is also the Fig. 5a and marked with 1.
  • the bundle 12 of the wires 10 which are surrounded by the fixing sleeve 14, placed in a corresponding compression space of an ultrasonic welding device, the Fig. 2 equivalent.
  • the lacquer is broken up and displaced while the bundle 12 is compacted within the compression or welding space, so that a cuboid geometry results at the compacted end region 36 of the bundle 12 in accordance with the circumferential geometry of the compression space.
  • the insulating lacquer of the wires 10 is mentioned at the same time broken up and displaced. Also, a partial evaporation takes place. If too much burnt lacquer could be present in the end region, which hinders the subsequent process steps, the free end of the cuboid-shaped end region 36 should be cut off.
  • a connection sleeve or a so-called ring cable lug 38 is pushed (step 3).
  • the relevant unit is then placed in a compression space of a metal ultrasonic welding device 40 to the cohesive bonding between the Ring cable shoe 30 or other element such as sleeve or sheet and the at least partially freed from the paint insulation wire bundle 12 make. It is possible, in the compression space of the metal ultrasonic welding device 40, the connection eye in the longitudinal direction of the sonotrode 42 (perpendicular to the plane) or - as purely in principle from the Fig.
  • the bundle 12 may also be accommodated by a metallic envelope of suitable geometry.
  • a ⁇ sonotrode which is mounted at one end and at a distance ⁇ / 2 from the front end 44 acts on the ring cable lug 38.
  • a section of an ultrasonic welding device 46 is shown, are connected to the partially stripped wires 10 cohesively.
  • the wires 10 are aligned parallel to the longitudinal axis of a sonotrode 48. It is not necessary that the wires 10 are taken up after stripping of a sleeve. Rather, the wires 10 z. B. are welded to a metal sheet which is positioned on an anvil 50 of the ultrasonic welding device 46. It further recognizes side shifters 52, 54, which limit the compression space laterally.
  • the stripping of the wires 10 in a first workstation - as the Fig. 2 - And the further compacting and cohesive bonding with each other and z. B. with a carrier or a sleeve in a second workstation according to Fig. 3 be performed.
  • the sonotrode head 49 of the sonotrode 48 serves as an anvil.
  • the sonotrode 28 then outputs the ultrasonic vibrations to break up the paint or the insulation. Consequently, a plastic welding process is carried out.
  • the sonotrode head 30 of the sonotrode 28 serves as the counterelectrode or anvil, whereas the sonotrode 48 is excited in ultrasonic vibration and transmits it to the materials to be joined. There is a metal welding process.
  • wires 10 to be welded do not consist of the same material and do not have to have the same cross section. Rather, a material mixture can be welded. Even wires 10 of different cross sections can be welded.
  • the welding of bare strands or wires in the metallic sheath is consequently likewise covered by the teaching according to the invention, wherein the sheath is arranged transversely to the longitudinal axis of a sonotrode during welding with its longitudinal axis in order to mold a recess transversely to the longitudinal axis of the sheath in the latter.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Processing Of Terminals (AREA)
  • Removal Of Insulation Or Armoring From Wires Or Cables (AREA)

Claims (14)

  1. Procédé permettant l'assemblage électroconducteur d'un faisceau (12) de torons ou de fils dénudés (10) par effet ultrasonore, sachant que le faisceau (12) est logé, avant l'effet ultrasonore, dans une gaine en matériau métallique, tel un manchon, dont l'axe longitudinal suit le sens longitudinal du faisceau (12) et qu'un assemblage par liaison de matière des fils (10) ou des torons entre eux et avec la gaine métallique a lieu par soudage par ultrasons, la sonotrode (114, 28, 42, 48) étant excitée par des vibrations ultrasonores dans son sens longitudinal et ladite sonotrode (114, 28, 42, 48) agissant sur la gaine dans le ventre de vibration,
    caractérisé en ce
    que la gaine avec le faisceau (12) logé partiellement dedans est disposée transversalement à l'axe longitudinal d'une sonotrode (114, 28, 42, 48) transmettant des vibrations ultrasonores et que pendant l'assemblage par liaison de matière des fils (10) ou torons entre eux et avec la gaine métallique, une encoche est formée dans la gaine métallique transversalement à son sens longitudinal.
  2. Procédé permettant l'assemblage électroconducteur d'un faisceau (12) selon la revendication 1 sachant que les fils (10) sont munis d'une isolation, notamment d'un vernis isolant, et sachant que l'isolation est retirée au moins partiellement par effet ultrasonore,
    caractérisé en ce
    que le faisceau (12) de fils (10) est logé dans la gaine métallique et qu'avec son axe longitudinal, la gaine métallique est disposée transversalement à l'axe longitudinal d'une sonotrode (114, 28, 42, 48) transmettant des vibrations ultrasonores, et qu'au moyen de soudage par ultrasons est effectué l'assemblage par liaison de matière des fils (10) entre eux et avec ladite gaine métallique, sachant que dans le même temps est formé dans la gaine métallique une encoche transversalement à l'axe longitudinal de la gaine métallique, sachant qu'un enlèvement au moins partiel de l'isolation a lieu soit pendant le soudage par ultrasons sur le faisceau (12) logé dans la gaine métallique, soit avant l'introduction dans la gaine métallique dans une étape précédente du procédé au moyen de soudage de plastique par ultrasons, ou que dans une première étape, l'isolation des fils (10) est retirée au moins partiellement au moyen de soudage de plastique par ultrasons et que dans une deuxième étape, les fils (10) sont assemblés par liaison de matière au moyen de soudage de métal par ultrasons ou de soudage par résistance.
  3. Procédé selon la revendication 2,
    caractérisé en ce
    que les fils (10) munis d'un vernis isolant sont assemblés par liaison de matière, les fils (10) présentant un diamètre D tel que D ≥ 0,3 mm, en particulier 0,4 mm ≤ D ≤ 1,5 mm.
  4. Procédé selon la revendication 2 ou 3,
    caractérisé en ce
    qu'après le soudage de plastique par ultrasons, les fils (10) sont entourés par la gaine métallique puis reliés par liaison de matière à la gaine métallique.
  5. Procédé selon au moins une des revendications 2 à 4,
    caractérisé en ce
    que les fils (10), qui sont éventuellement entourés d'une gaine métallique lors du soudage de métal par ultrasons, sont disposés dans le sens longitudinal des vibrations ultrasonores.
  6. Procédé selon au moins une des revendications 2 à 5,
    caractérisé en ce
    que la gaine métallique avec les fils (10) est disposée transversalement au sens des vibrations ultrasonores lors du soudage par ultrasons.
  7. Procédé selon au moins une des revendications 2 à 6,
    caractérisé en ce
    que le faisceau (12) est exposé aux ultrasons dans la zone des extrémités des fils pendant le soudage de plastique par ultrasons, que le faisceau (12) est compacté en une forme parallélépipédique pendant le soudage de plastique par ultrasons, et qu'après le soudage de plastique par ultrasons, l'extrémité libre du faisceau (12) compacté est sectionnée.
  8. Procédé selon au moins une des revendications 2 à 7,
    caractérisé en ce
    que pendant le soudage de plastique par ultrasons, les fils (10) sont compactés en une première forme parallélépipédique présentant une hauteur H1 dans le sens longitudinal des vibrations ultrasoniques et une largeur B transversalement au sens longitudinal, et que pendant le soudage de métal par ultrasons, les fils (10) sont refaçonnés en une deuxième forme parallélépipédique présentant une hauteur H2 telle que H2 < H1 et une largeur B2 telle que B2 > B1.
  9. Procédé selon au moins une des revendications 2 à 8,
    caractérisé en ce
    que le faisceau (12) de fils (10) est entouré d'une gaine métallique qui est placée entre la sonotrode (114, 28, 42, 48) et l'enclume (34) d'une soudeuse à ultrasons pendant le soudage de plastique par ultrasons.
  10. Procédé selon au moins une des revendications 2 à 9,
    caractérisé en ce
    que les fils (10) sont reliés par liaison de matière à un support lors du soudage de métal par ultrasons.
  11. Procédé selon au moins une des revendications 2 à 10,
    caractérisé en ce
    que les fils (10) sont maintenus au moins pendant l'amenée au poste de soudage de plastique par ultrasons par un moyen de fixation ou entourés d'un tel moyen, sachant qu'une douille de fixation ou une bague de fixation est notamment utilisée comme moyen de fixation.
  12. Procédé selon au moins une des revendications précédentes,
    caractérisé en ce
    que le soudage de plastique par ultrasons est effectué dans une première station d'usinage et le soudage de métal par ultrasons dans une deuxième station d'usinage.
  13. Procédé selon au moins une des revendications 2 à 12, dans lequel lors du soudage de plastique par ultrasons ainsi que lors du soudage de métal par ultrasons, le faisceau (12) de fils (10) est placé entre une enclume (34) et une sonotrode (114, 28, 42, 48) émettant des ultrasons,
    caractérisé en ce
    que le soudage de plastique par ultrasons et le soudage de métal par ultrasons sont effectués dans la même station d'usinage, sachant que dans le soudage de plastique par ultrasons, la sonotrode (114, 28, 42, 48) pour le soudage de métal par ultrasons est l'enclume (34), et que dans le soudage de métal par ultrasons, la sonotrode (114, 28, 42, 48) pour le soudage de plastique par ultrasons est l'enclume (34).
  14. Procédé selon au moins une des revendications précédentes,
    caractérisé en ce
    que la zone dénudée s'étendant entre la gaine métallique et l'isolation des fils (10) formant le faisceau (12) est entourée d'une isolation telle qu'une gaine thermorétractable.
EP15183709.3A 2009-12-23 2010-11-26 Méthode pour connexion electrique de fils métalliques Active EP2978085B1 (fr)

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DE102009059307A DE102009059307A1 (de) 2009-12-23 2009-12-23 Verfahren zum elektrisch leitenden Verbinden von Drähten
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JP (2) JP2013516029A (fr)
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BR (1) BR112012015487B1 (fr)
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BR112012015487B1 (pt) 2019-10-01
MX2012007109A (es) 2012-07-23
JP2013516029A (ja) 2013-05-09
EP2978085A2 (fr) 2016-01-27
EP2517315A1 (fr) 2012-10-31
US20120298645A1 (en) 2012-11-29
KR101710348B1 (ko) 2017-02-27
PL2978085T3 (pl) 2018-02-28
JP2015233005A (ja) 2015-12-24
DE102009059307A1 (de) 2011-06-30
CN102870292A (zh) 2013-01-09
CN102870292B (zh) 2016-06-01
BR112012015487A2 (pt) 2016-05-03
JP6227593B2 (ja) 2017-11-08
WO2011076515A1 (fr) 2011-06-30
EP2978085A3 (fr) 2016-04-06
EP2517315B1 (fr) 2016-08-10
RS56744B1 (sr) 2018-03-30
KR20120099128A (ko) 2012-09-06

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